The best Side of plat berlubang
As shown within the determine, tightening the bolt ends in a wedge staying pushed up in opposition to a sleeve, which expands it and triggers it to compress in opposition to the material it is remaining fixed to.Selain itu, angkur baja juga bertugas untuk mendistribusikan beban secara merata guna mengurangi tekanan pada titik-titik tertentu. Ini da